Remove unnecessary key clearing at AP start with nl80211

cfg80211 takes care of key removal when link/association is lost, so
there is no need to explicitly clear old keys when starting AP.

Signed-off-by: Jouni Malinen <j@w1.fi>

src/ap/ap_drv_ops.c

@@ -650,6 +650,12 @@ int hostapd_drv_none(struct hostapd_data *hapd)
 }
 
 
+bool hostapd_drv_nl80211(struct hostapd_data *hapd)
+{
+	return hapd->driver && os_strcmp(hapd->driver->name, "nl80211") == 0;
+}
+
+
 int hostapd_driver_scan(struct hostapd_data *hapd,
 			struct wpa_driver_scan_params *params)
 {

src/ap/ap_drv_ops.h

@@ -80,6 +80,7 @@ hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
 			    u16 *flags, u8 *dfs_domain);
 int hostapd_driver_commit(struct hostapd_data *hapd);
 int hostapd_drv_none(struct hostapd_data *hapd);
+bool hostapd_drv_nl80211(struct hostapd_data *hapd);
 int hostapd_driver_scan(struct hostapd_data *hapd,
 			struct wpa_driver_scan_params *params);
 struct wpa_scan_results * hostapd_driver_get_scan_results(

src/ap/hostapd.c

@@ -1182,7 +1182,8 @@ static int hostapd_setup_bss(struct hostapd_data *hapd, int first)
 	hostapd_set_privacy(hapd, 0);
 
 #ifdef CONFIG_WEP
-	hostapd_broadcast_wep_clear(hapd);
+	if (!hostapd_drv_nl80211(hapd))
+		hostapd_broadcast_wep_clear(hapd);
 	if (hostapd_setup_encryption(conf->iface, hapd))
 		return -1;
 #endif /* CONFIG_WEP */